Update ConfigurationLoader to use 'nodenext' when registering ts-node

[vinialbano]

Update configuration to allow mikro-orm-esm to work with newer versions of tsconfig.

#5427

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.74%. Comparing base (a6defc1) to head (3a19e93).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #5514    +/-   ##
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  Coverage   99.74%   99.74%            
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  Files         260      260            
  Lines       17937    17937            
  Branches     3803     4355   +552     
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  Hits        17892    17892            
  Misses         45       45            

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[B4nan]

are you sure this doesn't break CJS projects? i think we could maybe remove the overrides completely, as this should be now all taken from the project's tsconfig. maybe we could keep the old behavior when there is no tsconfig found.